Heat and Thermodynamics MCQ question and answer with solution | Physics Gk MCQs

A. More specific heat

B. More thermal conductivity

C. Less thermal conductivity

D. Less electrical conductivity

A. Two thin shirts become thicker so prevent transmission of heat

B. Air layer between two shirts works as good conductor

C. Air layer between two shirts behaves like insulating media

D. No radiation of heat takes place

A. 40.16

B. 36.89

C. 35.72

D. 32.36

A. 247 K

B. 244 K

C. 277 K

D. 273 K

A. Solid state

B. Melting point

C. Freezing point

D. Boiling point

A. Change in internal energy of the system is equal to flow of the heat in or out of the system

B. Change in internal energy of the system is less than heat transferred

C. Change in internal energy of the system is more than the heat flow

D. Cannot be determined

A. 0°C

B. -100°C

C. -273.15°C

D. -173.15°C

A. 100 K

B. 273 K

C. 373 K

D. 300 K

A. Rate of evaporation is fast

B. Moisture in air is low

C. Temperature is high

D. Sky is not clear

A. Water starts boiling at a lower temperature due to high pressure

B. Water starts boiling at a higher temperature due to high pressure

C. Water boils only at 100°C but the heat content is higher at high pressure

D. Convection currents are set inside the cooker